LT1054 Datasheet, PDF (19/26 Pages) Linear Technology – Switched-Capacitor Voltage Converter with Regulator

Input TTL or
CMOS Low
for On
10 kΩ
10 kΩ
2N2907
LT1054
SWITCHEDĆCAPACITOR VOLTAGE CONVERTERS
WITH REGULATORS
SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004
APPLICATION INFORMATION
5V
40 Ω
Zero Trim
10 kΩ
+
10 µF
0.022 µF
1
200 kΩ
8
2
−
1/2
LT1013
+
3
A1
100 kΩ
100 kΩ
301 kΩ
350 Ω
1
FB/SD
8
VCC
5V
Gain Trim
5 kΩ
5 kΩ
6 _− A2
1/2
10 kΩ
LT1013
5
+
1 µF
4
1 MΩ
7
VOUT
+
10 µF
2
CAP+
7
OSC
LT1054 #1
3
GND
6
VREF
4
CAP−
VOUT ⁵
3 kΩ
+ _100-µF
Tantalum
2N2222
Adjust Gain Trim For 3 V Out From
Full-Scale Bridge Output of 24 mV
Pin numbers shown are for the P package.
Figure 26. Strain-Gage Bridge Signal Conditioner
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19